CVE-2025-20804

Local privilege escalation via dpe use-after-free

Published Jan 6, 2026 · Updated Jan 6, 2026

Use-after-free memory corruption in MediaTek dpe on MT6899 and MT6991 chipsets running Android 16 allows local users to elevate privileges. The bulletin identifies dpe as the locus but does not disclose which object is freed or which subsequent operation dereferences it. Exploitation requires prior System privilege and user interaction; successful exploitation grants higher local privileges on the affected device.

CVSS severity6.7
Medium
EPSS probability0.08%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
Coverage for this vulnerability

See if you're affected

Explore vulnerability checks for your environment with Hinoki.

Book a demo

Summary

What happened

Use-after-free memory corruption in MediaTek dpe on MT6899 and MT6991 chipsets running Android 16 allows local users to elevate privileges. The bulletin identifies dpe as the locus but does not disclose which object is freed or which subsequent operation dereferences it. Exploitation requires prior System privilege and user interaction; successful exploitation grants higher local privileges on the affected device.

The record

CVE
CVE-2025-20804
Published
Jan 6, 2026
Updated
Jan 6, 2026
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-416, T1404
Attack vector
local
Privileges
admin

Timeline

How it unfolded

  1. Jan 6, 2026CVE publishedPublication date reported by the CVE source.
  2. Jan 6, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectorlocal
Required privilegesadmin

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

6.7CISA-ADPCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-416Use After Free
T1404Exploitation for Privilege Escalation

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

See the directory against your own environment.

Your stack

Check the software in your environment

Book a demo to see how Hinoki identifies affected software and validates exploitability in your environment.

Book a demo